Lincoln Electric INVERTEC SVM129-B - Manual (Page 93)

TROUBLESHOOTING & REPAIR
F-55 F-55
INVERTEC® STT® & STT® II
IGBT MODULE REMOVAL
AND REPLACEMENT (continued)
FIGURE F.24 – PLUG J1 DISCONNECTION
LOWER
TRAY
AREA
OUTPUT CHOKE/
IGBT MODULE
SPLICED CONNECTION
J1 CURRENT
SENSING PLUG
5. Disconnect the current sensing plug J1 from
the control PC board. Carefully remove plug
J1 and associated leads from the control PC
board compartment. See Figure F.24.
FIGURE F.25 – PLUG J22 DISCONNECTION
PLUG J22
6. Locate and disconnect plug J22 from the
wiring harness. See Figure F.25.
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